1& Number ofintegral auesoft which expression og 4+7x-2 is defined,ilare

Find the value of the expression (7x-2) when x= -2.

The expression x^(2)-7x+12 is equivalent to :

Find the range of values of x for which the expression 12x^(2)+7x-10 is negative.

find the value of the expression 2x+x--2x+7x=......

The value of expression x+7+4(x-5) for x=2

The number of possible value of alpha for which expression y=(alpha x^(2)+7x-2)/(alpha+7x-2x^(2)) has atleast one common linear factor in numerator and denominator,is-

Prove the following identities, where the angles involves are acute angles for which the expressions are defined:(x) ((1+tan^2A)/(1+Cot^2A))^2=((1-tan^2A)/(1-Cot^2A))^2=tan^4A

Number ofintegral solutions of the equation |tan x+sec x|=|tan x|+|sec x| in [0,2 pi] is

Write the number of terms in each of the following algebraic expressions : 2x-:2y-7x^(2)+3